383393842 has 8 divisors (see below), whose sum is σ = 619328556. Its totient is φ = 176950992.

The previous prime is 383393827. The next prime is 383393851. The reversal of 383393842 is 248393383.

It can be written as a sum of positive squares in 2 ways, for example, as 320016321 + 63377521 = 17889^2 + 7961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7372933 + ... + 7372984.

Almost surely, 2^383393842 is an apocalyptic number.

383393842 is a deficient number, since it is larger than the sum of its proper divisors (235934714).

383393842 is a wasteful number, since it uses less digits than its factorization.

383393842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14745932.

The product of its digits is 373248, while the sum is 43.

The square root of 383393842 is about 19580.4453984071. The cubic root of 383393842 is about 726.4655835706.

The spelling of 383393842 in words is "three hundred eighty-three million, three hundred ninety-three thousand, eight hundred forty-two".